Japan in the 1940s. A high school boy went into a magic encounter with Ozuka Hana, a geisha (pub-girl) when he traveled through Amagi Pass. A mysterious murder took place afterwards, an Ozuka was held responsible. 40 years later, the boy, who became a printing shop owner, was visited by a retired policeman who came from Amagi Pass. The truth then started to reveal itself.

该故事讲述的是1582年光秀谋反,信长死在本能寺中，但并没找到尸体，忠心孝主的太田牛一想揭穿秀吉的阴谋，
并且寻找织田信长(松冈)死亡真相的悬疑故事。
作为小泉前首相所喜爱的书引起大众谈论话题的『信长之棺』被拍成了电视剧！围绕着织田信长的遗骸展开的真正历史推理探案。
『本能寺之变』的真相究竟如何…！？主演·松本幸四郎所演出的“想要成为信长的男子”太田牛一，还有，TOKIO·松冈昌宏向自己希望尝试扮演的信长一角发起挑战！